Use some alternatives to chemical cleaning, but I am NOT foolish enough to believe that Vinegar could be used for freshening & cleaning. Vinegar stinks worse than Cat Urine & lingers twice as long. Phew!!!=============Annual National Backyard Campout Nite Saturday, June 25 2011=============Springfield Ancient Highland Games & Celtic FestivalMay 17th 2008CANCELLEDSpringfield State Fairgrounds